BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 9, Problem 6SA
Summary Introduction
Introduction:
Every organism present in nature contains genetic material. There are two types of genetic material. These are
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Prokaryotic transcripts are _____________ since several proteins can be produced from one mRNA.
a. polycistronic
b. monocistronic
c. tricistronic
d. bicistronic
Regulation of gene expression most typically occurs at the level of ______________.
Select one:
a.
transcription
b.
post-transcription
c.
post-translation
RNA splicing removes ________ from the RNA transcript.
a.
exons
b.
axons
c.
introns
Chapter 9 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 9 - A chromosome contains many different gene regions...Ch. 9 - A binding site for RNA polymerase is called a...Ch. 9 - An RNA molecule is typically _________ ; a DNA...Ch. 9 - RNAs form by ______ ; proteins form by ________ ....Ch. 9 - Prob. 5SACh. 9 - Prob. 6SACh. 9 - Energy that drives transcription is provided...Ch. 9 - Most codons specify an _________ . a. protein c....Ch. 9 - Anticodons pair with _______ . a. mRNA codons c....Ch. 9 - What is the maximum number of amino acids that can...
Ch. 9 - _______ are removed from new mRNAs. a. Introns c....Ch. 9 - Where does transcription take place in a...Ch. 9 - Where does translation take place in a eukaryotic...Ch. 9 - Energy that drives translation is provided mainly...Ch. 9 - Put the following processes in order of their...Ch. 9 - Prob. 16SACh. 9 - Researchers are designing and testing antisense...Ch. 9 - An anticodon has the sequence GCG. What amino acid...Ch. 9 - Each position of a codon can be occupied by one of...Ch. 9 - Prob. 4CTCh. 9 - Translate the sequence of bases in the previous...Ch. 9 - Prob. 6CT
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- ________ are encoded by a nucleotide triplet codon. a. Amino acids b. Chromosomes c. RNA strandsarrow_forwardChoose the combination of answers that most accurately completes the statement. Which of these features is found in eukaryotes but not bacteria? a. polygene mRNAs c. stop codon b. intronsarrow_forward8) Which of these describes the function of RNA polymerase? A. Amplifies the “message" by making multiple copies of an mRNA molecule after it has been transcribed from DNA B. Converts a protein sequence to mRNAarrow_forward
- Sometimes knowing the DNA sequence of a gene that codes for a protein does not tell you the amino acid sequence. Suggest several reasons why this is so.arrow_forward_______is/are removed from a new mRNA. a. Introns c. A poly-A tail b. Exons d. Amino acidsarrow_forwardCertain introns can self-excise from RNA. a. false b. truearrow_forward
- A _____________ is a point mutation that converts a codon for an amino acid to a premature stop signal.arrow_forwardCystic Fibrosis is caused by which of the following? a. Replacement of three nucleotides with a new three nucleotide sequence b. Addition of three nucleotides c. Deletion of three nucleotidesarrow_forwardBelow is a segment of RNA, transcribed from a DNA sequence. Use the codonchart to help answer the questions below. 5’ AUG/CCU/ACG/GAC/UGG/CCU 3’ a. What polypeptide would be generated by this sequence? b. The RNA is mutated to: 5’ AUGCCCACGGACUGGCCU 3’. What type of mutationhas occurred? Show the new polypeptide chain. c. The RNA is mutated to: 5’ AUGCCUACGGACGGGCCU 3’. What type of mutationhas occurred? Show the new polypeptide chain. d. The RNA is mutated to: 5’ AUGCCUACGGACUGACCU 3’. What type of mutationhas occurred? Show the new polypeptide chain.arrow_forward
- What is the correct amino acid sequence for the mRNA code AUGCCAGUAUGA answer choices A. Tyr-Gly-His B. Met-Pro-Val C. Met-Pro-Ala-Val D. Tyr-Gly-Arg-Hisarrow_forwardDuring translation, __________________. a. A cell divides to make 2 new cells b. A cell divides to make 4 new cells c. DNA is used as a template to create mRNA d. mRNA, rRNA, and tRNA work together to make proteinsarrow_forwardThe main function of a DNA molecule is to______ . a. store heritable information b. carry a translatable message c. form peptide bonds between amino acidsarrow_forward
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